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**82485 Turbo Cache (and 485Turbocache) c90
***Notes:...
***Info:...
***Versions:...
***Features:...
**82489DX Advanced Programmable Interrupt Controller 10/12/92...
**82495DX/490DX DX CPU-Cache Chip Set <Sep91...
**82495XP/490XP Cache Controller / Cache RAM (for i860) 06/05/91...
**82496/491 Cache Controller / Cache RAM (for P5 Pentium) 03/22/93...
**82497/492 Cache Controller / Cache RAM (for P54 Pentium) <Nov94...
**82498/493 Cache Controller / Cache RAM (for P54 Pentium) <Nov94...
**
**Later chipsets (basic spec):
**440 series:...
**450NX (?) 06/29/98:...
**????? (Profusion) c:99...
**800 series...
*Headland/G2...
*HMC (Hulon Microelectronics)...
*Logicstar...
*Motorola...
*OPTi...
*PC CHIPS/Amptron/Atrend/ECS/Elpina/etc...
*SIS...
**5591/5592/5595 (David) Pentium PCI A.G.P. Chipset <01/09/98
***Info:...
***Configurations:...
***Features:
o Support Intel/AMD/Cyrix Pentium CPU and Other Compatible CPU
Host Bus at 60/66 MHz and 3.3V Bus Interface
− Support the Pipelined Address of Pentium compatible CPU
− Support the Linear Address Mode of Cyrix CPU
o Support the Pipelined Address Mode of Pentium CPU
o Fully Compliant to A.G.P. Revision 1.0 Specification
o Meet PC97 Requirements
o Supports PCI Revision 2.1 Specification
o Integrated Second Level (L2) Cache Controller
- Write Back Cache Mode
- Support L2 Cache Flushing for entire L2 cache or specific
4K page
- 8 bits or 7 bits Tag with Direct Mapped Cache Organization
- Integrated 32K bits Dirty SRAM
- Integrated 32K bits Invalid SRAM
- Support Pipelined Burst SRAM
- Support 256K/512K/1MBytes Cache Sizes
- Cache Hit Read/Write Cycle of 3-1-1-1
- Cache Back-to-Back Read/Write Cycle of 3-1-1-1-1-1-1-1
- Support Single Read Allocation for L2 Cache
- Support Concurrency of CPU to L2 cache and A.G.P. master to
DRAM accesses
o Integrated DRAM Controller
- Support 6 RAS Lines for FPM/EDO/SDRAM DIMMs/SIMMs
- Support 2Mbytes to 768Mbytes of main memory
- Support Cacheable DRAM Sizes up to 256 MBytes.
- Support 256K/512K/1M/2M/4M/8M/16Mx N FPM/EDO/SDRAM DRAM
- Support 64 Mb DRAM Technology
- Support Parity Checker or ECC Function
- Support 3.3V or 5V DRAM
- Supports Symmetrical and Asymmetrical DRAM
- Support Concurrent Write Back
- Support CAS before RAS Refresh, Self Refresh
- Support Relocation of System Management Memory
- Programmable CAS#, RAS#, RAMWE# and MA Driving Current
- Fully Configurable for the Characteristic of Shadow RAM (640
KBytes to 1 MBytes)
- Support FPM DRAM 5/6-3-3-3(-3-3-3-3) Burst Read Cycles
- Support EDO DRAM 5/6-2-2-2(-2-2-2-2) Burst Read Cycles
- Support SDRAM 5/6/7-1-1-1(-2/3-1-1-1) Burst Read Cycles
- Support X-1-1-1/X-2-2-2/X-3-3-3 Burst Write Cycles
- Two Programmable Non-cacheable Regions
- Option to Disable Local Memory in Non-cacheable Regions
- Shadow RAM in Increments of 16 Kbytes
- Pseudo Directory/Page Scheme for Mapping Graphical Texture
Access to Physical Memory Address
- Built-in 8 Way Associative/16 Entries GART cache to Minimize the
Number of Memory Bus Cycles Required for Accessing Graphical
Texture Memory
- Programmable Counters to Ensure Guaranteed Minimum Access Time
for A.G.P., CPU, and PCI accesses
o Provides High Performance PCI Arbiter.
- Support up to 5 PCI Masters
- Support Rotating Priority Mechanism
- Hidden Arbitration Scheme Minimizes Arbitration Overhead.
- Support Concurrency between CPU to Memory and PCI to PCI
- Support Concurrency between CPU to 33Mhz PCI Access and 33Mhz
PCI to A.G.P. Access
- Support Concurrency between CPU to 66Mhz PCI Access and A.G.P.
to 33Mhz PCI Access
- Programmable Timers Ensure Guaranteed Minimum Access Time for
PCI Bus Masters, and CPU
o Integrated Host-to-PCI Bridge
- Support Asynchronous and Synchronous PCI Clock
- Translates the CPU Cycles into the PCI Bus Cycles
- Zero Wait State Burst Cycles
- Support IDE Posted Write
- Support Pipelined Process in CPU-to-PCI Access
- Support Advance Snooping for PCI Master Bursting
- Maximum PCI Burst Transfer from 256 Bytes to 4 Kbytes
- Support Memory Remapping Function for PCI master accessing
Graphical Window
o Integrated A.G.P. Compliant Target/66Mhz Host-to-PCI Bridge
- Support Asynchronous and Synchronous A.G.P. Clock
- Support 1X, and 2X Mode for A.G.P. 66/133 MHz 3.3V device
- Support Graphic Window Size from 4Mbytes to 256Mbytes
- Different arbitration policy for A.G.P. devices and 66Mhz PCI
devices.
- Translates Sequential CPU-to-A.G.P. Memory Write Cycles into
A.G.P. Bus (PCI66) Burst Cycles
- Zero Wait State Burst Cycles
- Support Pipelined Process in CPU-to-A.G.P. Access
- Support Advance Snooping for A.G.P. Master initiate system
memory access with PCI Cycles
- Support 8 Way, 16 Entries Page Table Cache to enhance A.G.P.
Read/Write Performance
- Support Both 1-Level and 2-Level GART (Graphic Address Re-
Mapping Table)
- Maximum PCI Burst Transfer from 256 Bytes to 4 Kbytes
- Programmable Counters to Ensure Guaranteed Minimum Access Time
for Low Priority Request, CPU to A.G.P./and A.G.P. Master
Transaction
- Support PCI-to-PCI bridge function for memory write from 33Mhz
PCI bus to A.G.P. bus
o Integrated Posted Write Buffers and Read Prefetch Buffers to
Increase System Performance
- CPU-to-Memory Posted Write Buffer (CTMFF) with 8 QW Deep, Always
Sustains 0 Wait Performance on CPU-to-Memory
- CPU-to-Memory Read Buffer with 4 QW Deep
- CPU-to-PCI Posted Write Buffer(CTPFF) with 8 DW Deep
- PCI-to-Memory Posted Write Buffer(PTHFF) with 8 QW Deep, Always
Streams 0 Wait Performance on PCI-to/from-Memory Access
- PCI-to-Memory Read Prefetch Buffer(CTPFF) with 8 QW Deep
- CPU-to-PCI66 Posted Write Buffer(CTAFF) with 8 DW Deep
- PCI66-to-Memory Posted Write Buffer(ATHFF) with 8 QW Deep
- A.G.P. Request Queue With the Depth of 32
- A.G.P. High Priority Write Queue with 64 QW Deep
- A.G.P. Low Priority Write Queue with 64 QW Deep
- A.G.P. High Priority Read Return Queue with 64 QW Deep
- A.G.P. Low Priority Read Return Queue with 64 QW Deep
o Fast PCI IDE Master/Slave Controller
- Bus Master Programming Interface for ATA Windows 95 Compliant
Controller
- Plug and Play Compatible
- Support Scatter and Gather
- Support Dual Mode Operation - Native Mode and Compatibility
Mode
- Support IDE PIO Timing Mode 0, 1, 2 ,3 and 4
- Support Multiword DMA Mode 0, 1, 2
- Support Ultra DMA/33
- Two Separate IDE Bus
- Two 16 DW FIFO for PCI Burst Transfers.
o Support NAND Tree for Ball Connectivity Testing
o 553-Balls BGA Package
o 0.35μm 3.3V CMOS Technology
**5596/5513 (Genesis) Pentium PCI Chipset <03/26/96...
**5597/5598 (Jedi) Pentium PCI/ISA Chipset <04/15/97...
**530/5595 (Sinbad) Host, PCI, 3D Graphics & Mem. Ctrl.<11/10/98...
**540 (Spartan) Super7 2D/3D Ultra-AGP Single C.S.<11/30/99...
**55x SoC (System-on-chip) <03/14/02...
**
**Support chips:
**85C206 Integrated Peripheral Controller [no datasheet] ?...
**5595 Pentium PCI System I/O <12/24/97...
**950 LPC I/O <07/16/99...
**Other:
***Video:...
***Various:...
**PII/III/Pro...
**Athlon etc...
*Symphony...
*TI (Texas Instruments)...
*UMC...
*Unresearched:...
*VIA...
**VT82C597/AT Apollo VP3, Single-Chip for Pentium with AGP <10/03/97
***Info:...
***Configurations:...
***Features:...
**VT82C598MVP Apollo MVP3,Single-Chip 66/75/83/100MHz & AGP <09/22/97...
**VT8501 Apollo MVP4,Single-Chip 66-100MHz & AGP <11/04/98...
**VT82C680 Apollo P6, Pentium-Pro Chip Set <08/30/96...
**Support chips:
**VT82C505 Pentium/486 VL to PCI Bridge <05/30/94...
**VT82C586/A/B PCI Integrated Peripheral Controller <10/13/96...
**VT82C596/A Mobile PCI Integrated Peripheral Controller <11/05/97...
**VT82C686A/B PCI Super-I/O Integrated Peripheral Ctrl. <02/10/98...
**Later P-Pro/II/III/Celeron...
**Later AMD...
**Other...
*VLSI...
*Western Digital...
*Winbond...
*ZyMOS...
*General Sources:...
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